GB/T 2910.12-2023
纺织品 定量化学分析 第12部分:聚丙烯腈纤维、某些改性聚丙烯腈纤维、某些含氯纤维或某些聚氨酯弹性纤维与某些其他纤维的混合物(二甲基甲酰胺法)
Quantitative chemical analysis of textiles - Part 12: Mixtures of polyacrylonitrile fibers, certain modacrylic fibers, certain chlorine-containing fibers, or certain polyurethane elastic fibers with certain other fibers (dimethylformamide method)
GBT2910.12-2023, GB2910.12-2023